IGETALLOY Indexable Insert Identification Table
C N M G C N M G
A.N.S.I.
I.S.O.
(3)
(1)
(4)
(2)
(1) Insert Shape Refer to Table 1
(3) Tolerance Refer to Table 3
B
(2) Relief Angle Refer to Table 2
(4) Insert Hole Refer to Table 4
Table 1: (1) Insert Shape
Table 2: (2) Relief Angle
Table 3: (3) Tolerance (inch)
Tolerance of Nose Height (Inch)
Inscribed Circle (Inch)
Thickness (Inch)
Symbol
Insert Shape
Angle
Symbol
Relief Angle
Symbol
C D E V R S
A F C E G
80˚ 55˚ 75˚ 35˚
B C D E
±0.0002 ±0.001 ±0.001
5˚
Diamond Type
±0.0002 ±0.0005 ±0.001
7˚
±0.0005 ±0.001 ±0.001
15˚
C
±0.001 ±0.001 ±0.001
—
Round
20˚
±0.001 ±0.001 ±0.005
90˚ 60˚ 80˚ 85˚ 55˚
Square
F
25˚
T
J
Triangular
±0.0002 ± .002 to ± .006 ±0.001
W
D
Trigon
N
M U
0˚
± .003 to ± .008 ± .002 to ± .006 ±0.005
A K H O
P
± .005 to ± .015 ± .003 to ± .010 ±0.005 mark indicates inserts that generally have sintered side surfaces. Refer to the table below (reference) for details on M class precision. (Reference) Breakdown of M-Class Tolerance by Shape and Size ● Tolerance of Nose Height (inch)
Parallelogram
11˚
R
O
120˚ 135˚
Trigon
Others
Octagonal
mark indicates inserts that are sometimes used with a 10˚ relief angle.
L
90˚ 86˚
Rectangular
M
Diamond
S
80° Diamond
55° Diamond
35° Diamond
Inscribed Circle
Triangular Square
Round
1/4 3/8 1/2 5/8 3/4
±.003 ±.003 ±.003 ±.004 ±.006 ±.003 ±.003 ±.003 ±.004 ±.006
— —
T
±.005 ±.005 ±.005 ±.006 ±.006 ±.006 ±.006 ±.007 ±.006 ±.006 ±.006 ±.007
— — — — — —
Table 4: (4) Insert Hole
Symbol Hole Y/N
Hole Shape
Hole Y/N
Hole Shape
Chipbreaker Shape (Cross Section) Symbol
Chipbreaker Shape (Cross Section)
1
±.007 ±.007 ±.007
— — —
N E R
A
1 1/4
±.008
—
— — — —
No
No
V
● Tolerance of Inscribed Circle (inch)
One Face Double- sided
One Face Double- sided
No
No
Yes
M
80° Diamond
55° Diamond
35° Diamond
Inscribed Circle
Cylindrical
Triangular Square
Round
1/4 3/8 1/2 5/8 3/4
±.002 ±.002 ±.002 ±.002 ±.002
—
G
F
W
±.002 ±.002 ±.002 ±.002 ±.002 ±.002
Straight hole + single chamfer (40˚ to 60˚) Straight hole + double chamfer (40 ˚ to 60 ˚ )
Straight hole + single chamfer (70 ˚ to 90 ˚ ) Straight hole + double chamfer (70 ˚ to 90 ˚ )
±.003 ±.003 ±.003 ±.003 ±.004 ±.004 ±.004 ±.004 ±.004 ±.004 ±.004 ±.004
±.003 ±.004 ±.004 ±.005 ±.006
— — —
W
B
No
No
Yes
Yes
T D
1
±.005 ±.005 ±.005
— —
One Face
One Face
H
1 1/4
±.006
—
— — —
Q
C
No
No
Yes
Yes
Double- sided
Double- sided
U
J
X
Special
— — —
B2
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